Method of recovering palladium by electrolysis and apparatus the

Details Method of recovering palladium by electrolysis and apparatus the Method of recovering palladium by electrolysis and apparatus the

1992-04-22

1993-10-05

Niebling, John

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204109, 204227, 204231, 204273, 204275, C25C 702, C25C 708

Patent

active

052501663

ABSTRACT:
A method of recovering palladium from a palladium-containing aqueous solution by electrolysis is provided. The method comprises the steps of dc-electrolyzing the palladium-containing aqueous solution acidified with nitric acid by using an electrolytic cell equipped with a platinum electrode as a cathode to thereby deposit and collect palladium on the cathode, taking the cathode on which palladium has been deposited and collected out of the electrolytic cell, transferring the palladium-deposited cathode to a recovery vessel containing dilute nitric acid therein, and mechanically shaking the cathode in the recovery vessel to remove and recover palladium from the cathode. An apparatus for carrying out the above-described method is also provided.

REFERENCES:
patent: 3891741 (1975-06-01), Carlin et al.
patent: 4425204 (1984-01-01), McLaughlin

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